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Data as of Nov 10, 2026

66.199.133.0/24

No anonymizer space · no proxy exits in 30 days

Applied Systems, Inc · space held by Aptum Technologies

Announcement
this exact prefix
No RPKI
Announced by
AS54023
Type
Business
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
66.199.128.0 - 66.199.155.2557,168PEER1-BLK-03Aptum Technologies (PER1) · CADirect AllocationNov 15, 2001abuse@aptum.com
└ 66.199.133.0/24256APTUM-APPLIED-SYSApplied Systems, INC (C08518759) · GBReassignedJun 8, 2022abuse@aptum.com
via PEER1-BLK-03

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Registry

Holder

Organization
Aptum Technologies
Handle
PER1
Range
66.199.128.0 - 66.199.155.255
Registration type
Direct Allocation
Record created
Nov 15, 2001
Origin network

AS54023

US
Name
Applied Systems, Inc
Type
Business
Registered
Jan 10, 2013
Domain
appliedsystems.com
Industry
Software Development
Spamhaus ASN-DROP
not listed